JP2864268B2 - Composite separator - Google Patents
Composite separatorInfo
- Publication number
- JP2864268B2 JP2864268B2 JP4993690A JP4993690A JP2864268B2 JP 2864268 B2 JP2864268 B2 JP 2864268B2 JP 4993690 A JP4993690 A JP 4993690A JP 4993690 A JP4993690 A JP 4993690A JP 2864268 B2 JP2864268 B2 JP 2864268B2
- Authority
- JP
- Japan
- Prior art keywords
- separation
- wall
- introduction pipe
- separator
- steam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
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- Cyclones (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、例えば、ボイラーより発生する蒸気の乾
き度向上のための気水分離器として用い得る複合型セパ
レータに関するものである。Description: TECHNICAL FIELD The present invention relates to a composite separator that can be used as a steam separator for improving the dryness of steam generated from a boiler, for example.
サイクロン式セパレータは、略円筒形状の分離筒内
に、接線方向から混相流体を導入し、これを内部で旋回
させることにより、液滴分や固形粒子を分離して、気相
流体を得るものである。The cyclone separator introduces a multi-phase fluid from a tangential direction into a substantially cylindrical separation cylinder, and swirls it inside to separate droplets and solid particles to obtain a gas-phase fluid. is there.
その使用例をボイラーについて第3図、第4図を参照
しながら説明する。An example of use will be described for a boiler with reference to FIG. 3 and FIG.
図面において、(1)は分離筒、(2)は分離筒
(1)の一側に接線状に接続した導入管、(3)は分離
筒(1)の上端中心部に取付けた蒸気出口管、(4)は
分離筒(1)の下端中心部に取付けた液滴出口管を示
す。In the drawings, (1) is a separation tube, (2) is an inlet tube tangentially connected to one side of the separation tube (1), and (3) is a steam outlet tube attached to the center of the upper end of the separation tube (1). , (4) show a droplet outlet tube attached to the center of the lower end of the separation tube (1).
図示するサイクロン式セパレータにおいては、ボイラ
ーからの発生蒸気を導入管(2)から分離筒(1)内に
接線方向に導入し、分離筒(1)内で旋回させて、液滴
(飽和水)を遠心分離し、これにより蒸気の乾き度を向
上させている。その際、上記分離筒(1)内で分離され
た液滴分は、分離筒(1)の内壁を伝わって下方の液滴
出口管(4)から排水するが、一般には、この液滴分を
ボイラーに再供給することにより、ボイラー内の供給水
温度を上昇させ、熱効率の向上を図っている。In the illustrated cyclone type separator, steam generated from the boiler is introduced tangentially from the introduction pipe (2) into the separation tube (1), and swirled in the separation tube (1) to form droplets (saturated water). Is centrifuged to improve the dryness of the steam. At this time, the droplet separated in the separation tube (1) travels along the inner wall of the separation tube (1) and drains from the lower droplet outlet pipe (4). Is supplied to the boiler, thereby increasing the temperature of the supply water in the boiler and improving the thermal efficiency.
このタイプのセパレータでは、上述の如き蒸気と液滴
(飽和水)等のような気液混相流は、固液混相流よりも
分離性能が悪いとされているが、その理由の一つに、気
液混相流が導入管(2)から分離筒(1)内に流入する
際、液滴分のかなりの量は導入管(2)の管壁に沿って
流動し、一部分が蒸気(飽和蒸気:気体分)中に浮遊し
ながら流れていることが挙げられる。即ち、管壁を伝わ
って流れる液滴分の速度は、上述蒸気流の速度より著し
く遅いため、分離筒(1)内に流入したとしても、遠心
力による分離効果が小さく、分離筒(1)内壁から飛散
し、或いは管内を横断する等して、分離筒(1)内から
蒸気出口管(3)に向かう乾き度の高い(液滴分が分離
された)蒸気に再び混入してしまうことになる。In this type of separator, a gas-liquid multi-phase flow such as a vapor and a droplet (saturated water) as described above is said to have lower separation performance than a solid-liquid multi-phase flow. When the gas-liquid multiphase flow flows from the introduction pipe (2) into the separation cylinder (1), a considerable amount of the droplet flows along the pipe wall of the introduction pipe (2), and a part of the vapor (saturated steam) flows. : Gaseous component). That is, since the velocity of the droplet flowing along the tube wall is significantly lower than the velocity of the vapor flow, even if the liquid flows into the separation tube (1), the separation effect by the centrifugal force is small, and the separation tube (1) Spattering from the inner wall or traversing the inside of the pipe, etc., and re-enters the highly dry (droplet separated) steam from the inside of the separation tube (1) to the steam outlet pipe (3). become.
このため、従来のセパレータを通常の態様で用いるの
みでは高い乾き度の蒸気を得ることができない。For this reason, high dryness steam cannot be obtained only by using the conventional separator in a normal mode.
この発明は、上記課題に鑑みてなされたもので、導入
管と分離筒とで構成した単一構造のセパレータ中にそれ
らと同一の機能を生じるところの補助導入管と分離壁と
から成るセパレータ要素を内蔵した複合型のセパレータ
を要点としている。The present invention has been made in view of the above-described problems, and has a separator element having an auxiliary introduction pipe and a separation wall that has the same function as a single-structured separator composed of an introduction pipe and a separation tube. The main point is a composite type separator with a built-in.
この発明によれば、主に壁面を伝わって流れる液滴分
を導入管と補助導入管との隙間から分離筒と分離壁との
間の間隙に流入させることにより、上記液滴分を早期に
比較的液滴分の少ない混相流主流により分離しておき、
この後、この混相流主流を更に気液分離することによ
り、分離性能を大幅に向上させることができる。According to the present invention, the liquid drop flowing mainly along the wall surface is caused to flow into the gap between the separation cylinder and the separation wall from the gap between the introduction pipe and the auxiliary introduction pipe, so that the liquid drop quantity is early. Separated by the multi-phase main flow with relatively few droplets,
Thereafter, the main flow of the multiphase flow is further subjected to gas-liquid separation, whereby the separation performance can be greatly improved.
第1図、第2図は、この発明に係る複合型セパレータ
の一実施例を示すもので、第3図、第4図と対応する部
材には、同一参照番号を附してその詳細説明を省略す
る。FIGS. 1 and 2 show an embodiment of a composite separator according to the present invention. Members corresponding to those in FIGS. 3 and 4 are denoted by the same reference numerals and are described in detail. Omitted.
上記複合型セパレータは、それらの図面に示すよう
に、導入管(2)の内部に補助導入管(11)を実質上同
軸に設置し、この導入管(11)の先端部に、分離筒
(1)の内壁に沿って延設した分離壁(12)を取り付
け、相対する分離筒(1)の内壁と分離壁(12)との間
に所望の間隙(g)を形成したものである。In the composite separator, as shown in the drawings, an auxiliary introduction pipe (11) is installed substantially coaxially inside the introduction pipe (2), and a separation tube ( A separating wall (12) extending along the inner wall of (1) is attached, and a desired gap (g) is formed between the inner wall of the separating cylinder (1) and the separating wall (12).
この例では、補助導入管(11)は、短管で構成してあ
り、導入管(2)の内部において、それとの間に所定の
間隙を保持せしめた状態で、導入管(2)、分離筒
(1)の両者接続部分近傍位置に配している。In this example, the auxiliary introduction pipe (11) is constituted by a short pipe, and the inside of the introduction pipe (2) is separated from the introduction pipe (2) by a predetermined gap. It is arranged at a position near both connecting portions of the tube (1).
又、分離壁(12)は、補助導入管(11)との接続部分
から分離筒(1)の軸線方向上下に所定の長さで(例え
ば導入管の径の数倍に)形成するとともに、分離壁自体
の周方向長さを、分離筒(1)内に流入した混相流体の
旋回方向(第2図の反時計方向)側の端部(12a)が反
旋回方向(第2図の時計方向)側の端部(12b)よりも
長くなるように設定してある。この場合の分離壁(12)
の反旋回方向側の端部(12b)は、分離筒(1)におけ
る導入管(2)の開口部を十分に覆うようにして、そこ
から導入管(1)と補助導入管(11)との隙間を通って
流入する混相流体が、分離壁(12)より内周側に直接流
入しないようにする。The separation wall (12) is formed with a predetermined length (for example, several times the diameter of the introduction pipe) vertically above and below the axis of the separation cylinder (1) from the connection with the auxiliary introduction pipe (11). The circumferential length of the separation wall itself is set such that the end (12a) on the side of the swirling direction (counterclockwise direction in FIG. 2) of the multiphase fluid flowing into the separation cylinder (1) is in the counter-swirl direction (clockwise direction in FIG. 2). It is set to be longer than the end (12b) on the (direction) side. Separation wall in this case (12)
The end (12b) on the side opposite to the swiveling direction of the pipe is sufficiently covered with the opening of the introduction pipe (2) in the separation cylinder (1), from which the introduction pipe (1) and the auxiliary introduction pipe (11) are connected. Of the multi-phase fluid flowing through the gap between the inner wall and the inner wall of the separation wall (12).
上記構成では、導入管(1)内に、ボイラーからの発
生蒸気等の気液混相流が流入すると、前述の如く、液滴
分のほとんどは、導入管(1)の管内壁に沿って流れ、
一部分が、蒸気(飽和蒸気:気体分)中に浮遊しながら
全体として湿り蒸気として流れる。このうち、管壁に沿
って流れるものは、導入管(2)と補助導入管(11)と
の間の間隙に流入し、この後、分離筒(1)と分離壁
(12)との間の隙間(g)を上記反時計方向に旋回しな
がら流下し、下方の出口管(4)より流出する。In the above configuration, when a gas-liquid multi-phase flow such as steam generated from a boiler flows into the introduction pipe (1), most of the droplets flow along the inner wall of the introduction pipe (1) as described above. ,
A part flows as moist steam as a whole while floating in steam (saturated steam: gas portion). Of these, the one that flows along the pipe wall flows into the gap between the introduction pipe (2) and the auxiliary introduction pipe (11), and then flows between the separation tube (1) and the separation wall (12). Flows downward while rotating counterclockwise in the above gap (g), and flows out from the lower outlet pipe (4).
一方、残りの液滴分を含んだ蒸気(湿り蒸気)は、導
入管(2)から補助導入管(12)内に直接流入し、先ず
分離壁(12)内周面に沿って旋回しながら気液分離され
る。そして、上述蒸気が分離壁端部(12a)を通過した
後は、分離筒(1)内周壁に沿って旋回しながら流れ、
この旋回流れによる遠心力によって残りの液滴分が分離
され、更に乾き度を高められた蒸気は、上方の出口管
(3)に流入するのに対し、分離された液滴分は、分離
筒(1)内壁面に沿って流れ、出口管(4)に流入す
る。On the other hand, the steam (wet steam) containing the remaining droplets flows directly from the inlet pipe (2) into the auxiliary inlet pipe (12), and first swirls along the inner peripheral surface of the separation wall (12). Gas-liquid separation. After the above-mentioned steam has passed through the separation wall end portion (12a), it flows while turning along the inner peripheral wall of the separation tube (1),
The remaining liquid droplets are separated by the centrifugal force generated by the swirling flow, and the steam whose degree of drying is further increased flows into the upper outlet pipe (3). (1) It flows along the inner wall surface and flows into the outlet pipe (4).
従って、この発明に係る複合型セパレータによれば、
極めて乾き度の悪い蒸気(あるいは、液相分の多い気液
混相流体)であっても、壁面に沿って流れる液滴分(液
相分)を早期に分離した後、比較的乾き度の高い蒸気主
流を更に分離するため、一定して高い乾き度の蒸気を得
ることができる。Therefore, according to the composite separator according to the present invention,
Even if the vapor is extremely dry (or a gas-liquid mixed-phase fluid with a large amount of liquid phase), the droplets (liquid phase) flowing along the wall surface are separated at an early stage, and then relatively dry. Since the steam main stream is further separated, steam with a constant high dryness can be obtained.
尚、上記実施例において、分離壁(12)の周方向の長
さは、分離筒(1)の略1/4周程度に設定してあるが、
各端部(12a)(12b)の少なくとも一方を更に延設して
もよく、両端部(12a)(12b)が互いに接合するまで延
設して筒形状としてあってもよい。更に、分離壁(12)
の軸方向の長さは、補助導入管(11)に対し、上下方向
に略等長としてあるが、これに限定されるわけではな
く、より気液分離性能を向上させるために、下方側を長
く設定することもできる。In the above embodiment, the circumferential length of the separation wall (12) is set to approximately 1/4 of the circumference of the separation tube (1).
At least one of the end portions (12a) and (12b) may be further extended, and may be extended until both end portions (12a) and (12b) are joined to each other to form a cylindrical shape. Furthermore, separation wall (12)
The length in the axial direction is substantially equal to the length in the vertical direction with respect to the auxiliary introduction pipe (11), but is not limited to this. In order to further improve the gas-liquid separation performance, You can set it longer.
この発明のセパレータは、ボイラー等からの発生蒸気
の乾き度を向上させるための気水分離器を例にあげて説
明したが、他の化学工業分野等において、気相流と液相
流とを分離するために用いられるセパレータであれば、
全て適用できるものである。The separator of the present invention has been described by taking as an example a steam-water separator for improving the dryness of steam generated from a boiler or the like.However, in other chemical industry fields, a gas-phase flow and a liquid-phase flow are used. If it is a separator used for separation,
All are applicable.
以上説明したように、この発明は、気液混相流のう
ち、主に壁面を伝わって流れる液相分を、導入管と補助
導入管との隙間から分離筒と分離壁との間の間隙に導入
することにより、比較的液相分の少ない混相流主流から
上記液相分を早期に分離しておき、この後、この混相流
主流を、更に気液分離する構成であるので、液相分の多
い気液混相流であっても安定して効率よく気液分離が行
うことができ、しかも、その分離性能が極めて高い。As described above, the present invention provides a liquid-phase multiphase flow that mainly transmits a liquid phase flowing along a wall from a gap between an introduction pipe and an auxiliary introduction pipe to a gap between a separation cylinder and a separation wall. By introducing, the above liquid phase component is separated from the main phase of the multiphase flow having a relatively small liquid phase at an early stage, and then the main phase of the multiphase flow is further subjected to gas-liquid separation. Gas-liquid separation can be performed stably and efficiently even in a gas-liquid multiphase flow with a large amount, and the separation performance is extremely high.
しかも、この発明の複合型セパレータによれば、上記
の如き極めて高い性能を有するにもかかわらず、従来形
状のセパレータに補助導入管と分離壁とから成る小型の
セパレータ要素を設けるのみであるから、製作が容易で
低コストで得られる等、大なる工業的効果を挙げること
ができる。Moreover, according to the composite separator of the present invention, despite having the extremely high performance as described above, only a small separator element including the auxiliary introduction pipe and the separation wall is provided in the conventionally-shaped separator, Great industrial effects can be obtained, such as easy production and low cost.
第1図、第2図は、この発明に係る複合型セパレータの
一実施例を示すもので、第1図は側面図、第2図は要部
横断面図である。 第3図、第4図は、在来のサイクロンセパレーターの一
例を示すもので、第3図は側面図、第4図は要部横断面
図である。 (1)……分離筒 (2)……導入管 (11)……補助導入管 (12)……分離壁 (g)……隙間1 and 2 show an embodiment of the composite separator according to the present invention. FIG. 1 is a side view, and FIG. 2 is a cross-sectional view of a main part. 3 and 4 show an example of a conventional cyclone separator. FIG. 3 is a side view, and FIG. 4 is a cross-sectional view of a main part. (1) Separation tube (2) Inlet tube (11) Auxiliary inlet tube (12) Separation wall (g) Gap
Claims (1)
(2)を接続した構成のサイクロンセパレータにおい
て、 前記導入管(2)の内部に補助導入管(11)を実質上同
軸に設置し、この補助導入管(11)の内端部に、前記分
離筒(11)の内壁に沿って延設した分離型(12)を取付
け、相対する前記分離筒(1)の内壁と前記分離壁(1
2)との間に所望の間隙を形成したことを特徴とする複
合型セパレータ。1. A cyclone separator in which an introduction pipe (2) is connected tangentially to a separation tube (1), wherein an auxiliary introduction pipe (11) is installed substantially coaxially inside the introduction pipe (2). A separation mold (12) extending along the inner wall of the separation tube (11) is attached to the inner end of the auxiliary introduction pipe (11), and the separation wall (11) is separated from the inner wall of the separation tube (1). Wall (1
2) a composite separator in which a desired gap is formed between the separator and the composite separator.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4993690A JP2864268B2 (en) | 1990-02-28 | 1990-02-28 | Composite separator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4993690A JP2864268B2 (en) | 1990-02-28 | 1990-02-28 | Composite separator |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH03249962A JPH03249962A (en) | 1991-11-07 |
JP2864268B2 true JP2864268B2 (en) | 1999-03-03 |
Family
ID=12844910
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4993690A Expired - Lifetime JP2864268B2 (en) | 1990-02-28 | 1990-02-28 | Composite separator |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2864268B2 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009162429A (en) * | 2008-01-08 | 2009-07-23 | Miura Co Ltd | Centrifugal type steam-water separator |
JP5267163B2 (en) * | 2008-12-04 | 2013-08-21 | 三浦工業株式会社 | Gas-solid liquid separator |
JP2016010320A (en) * | 2014-06-27 | 2016-01-21 | 株式会社寺田製作所 | Unseasoned tea leaf flavor component capturing apparatus for tea manufacturing steamer |
-
1990
- 1990-02-28 JP JP4993690A patent/JP2864268B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH03249962A (en) | 1991-11-07 |
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